Hello Harold
I looked a the accuracy line of thermistors... They appear to be accurate t=
o maybe 1%.
Did you calibrate each unit to make it good to +/- 0.1 degree (C or F) ?
Best
Gus


> On Mar 28, 2013, at 9:16 PM, Harold Hallikainen wrote:
>=20
> I believe it's +/- 0.1 degree (C or F)
>=20
> Harold
>=20
>=20
>> Thanks Harold
>> I looked at the unit and could not determine the accuracy of the unit..
>> Gus
>>=20
>>> On Mar 27, 2013, at 9:11 PM, Harold Hallikainen wrote:
>>>=20
>>> I used a precision thermistor, a precision resistor and (as I recall) a
>>> 20
>>> bit delta sigma ADC in this thermometer: http://www.gla-ag.com/ . Since
>>> the supply to the top of the resistor was also the ADC reference, a
>>> precision reference was not required. Linearization is done with a tabl=
e
>>> and linear interpolation.
>>>=20
>>> Harold
>>>=20
>>>=20
>=20


--=20
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